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Finding the Fourth Proportional to 352,153.40, 528,230.10 and 327,270.20

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Solution

The fourth proportional to 352,153.40, 528,230.10 and 327,270.20 is: 490,905.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,153.40 : 528,230.10 = 327,270.20 : x
  2. Step 2: Convert to fraction form
    352,153.40/528,230.10 = 327,270.20/x
  3. Step 3: Cross multiply
    352,153.40x = 528,230.10 × 327,270.20
  4. Step 4: Simplify right side
    352,153.40x = 172,873,970,473.02
  5. Step 5: Solve for x
    x = 172,873,970,473.02/352,153.40
  6. Step 6: Final answer
    x = 490,905.30

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.